package exception;

/**
 * 异常处理练习
 */
public class TryCatchExercise03 {

    public static int method() {

        int i = 1;

        try {
            i++;
            String[] names = new String[3];
            if (names[1].equals("tom")) {   //空指针
                System.out.println(names[1]);
            } else {
                names[3] = "lmylmy";
            }
            return 1;
        } catch (ArrayIndexOutOfBoundsException e) {
            return 2;
        } catch (NullPointerException e) {
            return ++i; //i = 3 ->保存临时变量temp = 3
        } finally {
            ++i;    //i = 4
            System.out.println("i=" + i);// i = 4
        }

    }

    public static void main(String[] args) {
        System.out.println(method());//3
    }
}
